Climbing wall



FIG. 1 is a perspective view of the climbing wall;

FIG. 2 is a front view of the climbing wall;

FIG. 3 is a rear view of the climbing wall;

FIG. 4 is a right side view of the climbing wall; and,

FIG. 5 is a top view of the climbing wall.

The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a climbing wall, as shown and described. 